Search results for: Muhammad Asif

Items from 1 to 20 out of 560 results

article

Timing of surgery following SARS‐CoV‐2 infection: an international prospective cohort study

COVIDSurg Collaborative, GlobalSurg Collaborative, Dmitri Nepogodiev, Joana FF Simoes, more

Peri‐operative SARS‐CoV‐2 infection increases postoperative mortality. The aim of this study was to determine the optimal duration of planned delay before surgery in patients who have had SARS‐CoV‐2 infection. This international, multicentre, prospective cohort study included patients undergoing elective or emergency surgery during October 2020. Surgical patients with pre‐operative SARS‐CoV‐2 infection...

article

VE1 immunohistochemistry is an adjunct tool for detection of BRAF^V600E mutation: Validation in thyroid cancer patients

Faiza A. Rashid, Sobia Tabassum, Mosin S. Khan, Hifzur R. Ansari, more

Journal of Clinical Laboratory Analysis > 35 > 2 > n/a - n/a

Papillary thyroid carcinoma (PTC) is the most common endocrine malignancy among other endocrine tumors, and BRAF^V600E is a frequent genetic mutation occurring in the disease. Although different molecular techniques, most importantly sequencing has been widely recognized as a gold standard but molecular diagnosis remains an expensive, laborious, and time‐intensive process. Recently, immunohistochemistry...

article

ARFC: Advance response function of TCP CUBIC for IoT‐based applications using big data

Mudassar Ahmad, Usman Ahmad, Md Asri Ngadi, Muhammad Asif Habib, more

Concurrency and Computation: Practice and Experience > 33 > 4 > n/a - n/a

The throughput of a TCP flow depends on the average size of Congestion Window (cwnd) of a congestion control mechanism being used during the communication. The size of cwnd depends upon the usage of available link bandwidth during communication. The response function is a measure of average throughput of a single TCP flow of congestion control mechanism as the level of random packet loss is varied...

article

Impact analysis of adverbs for sentiment classification on Twitter product reviews

Sajjad Haider, Muhammad Tanvir Afzal, Muhammad Asif, Hermann Maurer, more

Concurrency and Computation: Practice and Experience > 33 > 4 > n/a - n/a

Social networking websites such as Twitter provide a platform where users share their opinions about different news, events, and products. A recent research has identified that 81% of users search online first before purchasing products. Reviews are written in natural language and needs sentiment analysis for opinion extraction. Various approaches have been proposed to perform sentiment classification...

article

Hybrid approach for big data localization and semantic annotation

Waheed Yousuf Ramay, Xu Cheng‐Yin, Shams ur Rahman, Muhammad Asif Habib

Concurrency and Computation: Practice and Experience > 33 > 4 > n/a - n/a

Most of the data concerning business‐oriented systems are still based on either NoSQL or the relational data model. On the other hand, Semantic Web data model Resource Description Framework (RDF) has become the new standard for data modeling and analysis. Due to this situation integration of NoSQL, Relational Database (RDB) and RDF data models are becoming a required feature of the systems. Many solutions...

article

Soil sodicity is more detrimental than salinity for quinoa (Chenopodium quinoa Willd.): A multivariate comparison of physiological, biochemical and nutritional quality attributes

Ghulam Abbas, Muhammad Amjad, Muhammad Saqib, Behzad Murtaza, more

Journal of Agronomy and Crop Science > 207 > 1 > 59 - 73

Soil salinization is a serious environmental problem worldwide. To explore the comparative effects of soil salinity and sodicity on physiological, biochemical and nutritional quality attributes of four quinoa genotypes (A1, A7, Puno, Vikinga), pot and field experiments were performed on non‐saline soil and two types of salt‐affected soils designated as SS1 (saline) and SS2 (saline‐sodic). The results...

article

Drug investigation tool: Identifying the effect of drug on cell image by using improved correlation

Muhammad Shahid Iqbal, Iftikhar Ahmad, Muhammad Asif, Sun‐Hee Kim, more

Software: Practice and Experience > 51 > 2 > 260 - 270

In the treatment of human cancer, the existing drug response identification and assessment methods have some issues, such as high cost, slow processing, and low accuracy. Responsive methods that easily and indirectly assess patient tissue response to drugs or small molecules offer promising options for improving drug safety, and they are able to identify the right treatment for specific patients....

article

Deoxygenation of Bio‐oil from Calcium‐Rich Paper‐Mill Waste

Muhammad Asif Bashir, Hessam Jahangiri, Andreas Hornung, Miloud Ouadi

Chemical Engineering & Technology > 44 > 1 > 194 - 202

De‐inking sludge, an ash‐rich recycling paper solid waste, is generated in huge amounts. The catalytic deoxygenation potential of calcium‐based de‐inking sludge in co‐pyrolysis mode with wood and its neat thermal conversion to sustainable biofuels are investigated. Wood, de‐inking sludge, and their blends are processed in a thermocatalytic reforming (TCR) system. In the presence of de‐inking sludge,...

article

Simultaneous determination of acetamiprid and 6‐chloronicotinic acid in environmental samples by using ion chromatography hyphenated to online photoinduced fluorescence detector

Qamar Subhani, Nadeem Muhammad, Zhouman Huang, Muhammad Asif, more

Journal of Separation Science > 43 > 20 > 3921 - 3930

This study aims to introduce a simple, sensitive, and cost‐effective method for the simultaneous determination of acetamiprid and its main metabolite 6‐chloronicotinic acid in environmental samples by using a nonsuppressed ion chromatography hyphenated with an online postcolumn photoinduced fluorescence detection system. The fluorescence detector wavelengths λ_ex/λ_em = 257/382 nm was set for up to...

article

Integrated Catalyst of CuZnAl‐Zr and Nb‐HZSM‐5 for One‐Step Synthesis of Aromatics from Syngas

Wentao Xiao, Minzhe Li, Muhammad Asif Nawaz, Lichong Xu, more

Chinese Journal of Chemistry > 38 > 11 > 1311 - 1316

The addition of Zr increased the dispersion and antisinitering of Cu species and Nb adjusted the HZSM‐5 acidity. Bifunctional catalyst increased selectivity of aromatics to 39.8%, and 60.0% for durene in aromatics. A method for resolving the temperature mismatch between Cu‐based catalysts and HZSM‐5 zeolite is provided.

article

A Haar wavelet collocation approach for solving one and two‐dimensional second‐order linear and nonlinear hyperbolic telegraph equations

Muhammad Asif, Nadeem Haider, Qasem Al‐Mdallal, Imran Khan

Numerical Methods for Partial Differential Equations > 36 > 6 > 1962 - 1981

We have developed a new numerical method based on Haar wavelet (HW) in this article for the numerical solution (NS) of one‐ and two‐dimensional hyperbolic Telegraph equations (HTEs). The proposed technique is utilized for one‐ and two‐dimensional linear and nonlinear problems, which shows its advantage over other existing numerical methods. In this technique, we approximated both space and temporal...

article

Impact of CSR and environmental triggers on employee green behavior: The mediating effect of employee well‐being

Mansoora Ahmed, Sun Zehou, Syed Ali Raza, Muhammad Asif Qureshi, more

Corporate Social Responsibility and Environmental Management > 27 > 5 > 2225 - 2239

This article explores the influence of corporate social responsibility (CSR) and three green triggers of environment (awareness, concern, and knowledge) on employee well‐being and green behavior. The study engages the stimulus–organism–response model for testing the association between CSR and well‐being of employees that leads to employee green behavior. Furthermore, social exchange theory has been...

article

A Bibliometric Review of the Special Issues of Psychology & Marketing: 1984‐2020

Muhammad Asif Khan, Imtiaz Ali, Rohail Ashraf

Psychology & Marketing > 37 > 9 > 1144 - 1170

Psychology & Marketing (P&M), an internationally reputed journal, publishes original, peer‐reviewed, empirical research on the application of psychological theories and techniques to marketing. The aim of this essay is to provide a bibliometric overview of the leading trends in the special issues of P&M over its history (1984–2020). Using bibliometric techniques, we analyze the impact...

article

Image velocimetry and statistical analysis of a mesh-coupled axial blade distributor for mass transfer in a swirling bed

Muhammad Asif Javed, Shazia Shukrullah, Muhammad Yasin Naz, Raja Adil Sarfraz

Journal of Theoretical and Applied Mechanics > 2020 > Vol. 58 nr 3 > 779--790

A mesh-coupled axial blade distributor was tested for fluidization of particles in a swirling fluidized bed. The bed velocity was estimated experimentally using a high-speed imaging device and MATLAB supported particle image velocimetry (PIV). The bed velocity was also predicted statistically with a response surface analysis method. During statistical analysis, the confidence interval of bed velocity...

article

Analysis and design of a stacked power amplifier with 196% fractional bandwidth using equivalent circuit model

Jun Hu, Xi Wang, Shaojun Li, Muhammad Asif, more

International Journal of RF and Microwave Computer‐Aided Engineering > 30 > 5 > n/a - n/a

Stacked structure is a good solution to overcome the low output voltage swing provided by a single device. When several devices are stacked, the bandwidth and output power are multiple times higher. This article analyzes the small‐signal voltage gain of the stacked structure, deriving the gain expression of the high‐frequency model and simplified model. Based on the specific device parameter, the...

article

Physical deployment of enhanced visible light communication system using forward error correction codes

Arslan Khalid, Faizan Rashid, Hafiz Muhammad Asif, Assad Ali, more

International Journal of Communication Systems > 33 > 5 > n/a - n/a

With the development of new generation lighting sources, visible light communication (VLC) system has become a complementary solution to traditional radio frequency wireless system. However, the error performance of VLC system is degraded because of multipath effects and interference from other lighting sources that, in turn, reduce the communication range. This work targets the issue of performance...

article

The Role of China’s Exchange Rate on the Trade Balance of Sub‑Saharan Africa: a Gravity Model Approach

Hameed Khan, Umair Khan, Li Jun Jiang, Muhammad Asif Khan, more

Comparative Economic Research. Central and Eastern Europe > 2019 > 22 > 4 > 57-72

This study seeks to investigate theimpactof China’sexchange rate onthe trade balance of 41 Sub‑aharan African countries for the period from 1994 to 2016. Using an augmented gravity model, the grouped and ungrouped results of the study confirm the elasticity and absorption approaches of the trade balance. Similarly, the robustness check, by dividing the sample period into two sub‑eriods (2005–016 and...

article

Differential evolution based computation intelligence solver for elliptic partial differential equations

Muhammad Faisal Fateh, Aneela Zameer, Sikander M. Mirza, Nasir M. Mirza, more

Frontiers of Information Technology & Electronic Engineering > 2019 > 20 > 10 > 1445-1456

A differential evolution based methodology is introduced for the solution of elliptic partial differential equations (PDEs) with Dirichlet and/or Neumann boundary conditions. The solutions evolve over bounded domains throughout the interior nodes by minimization of nodal deviations among the population. The elliptic PDEs are replaced by the corresponding system of finite difference approximation,...

article

Supplemental potassium mediates antioxidant metabolism, physiological processes, and osmoregulation to confer salt stress tolerance in cabbage (Brassica oleracea L.)

Waqas Ahmad, Chaudhary Muhammad Ayyub, Muhammad Asif Shehzad, Khurram Ziaf, more

Horticulture, Environment, and Biotechnology > 2019 > 60 > 6 > 853-869

Soil salinity is one of the severe threats of climate change that inflicts heavy losses to vegetable production. Potassium (K) has been considered essential approach against abiotic stresses in food crops, however, understanding of K regulated mechanisms for inducing tolerance to NaCl stress in cabbage (Brassica oleracea L.) plants is, still elusive. Here, we report the supplemental K effects on antioxidant...

article

Secreted frizzled‐related protein 4 and its implication in obesity and type‐2 diabetes

Shazia Anwer Bukhari, Aysha Yasmin, Muhammad Asif Zahoor, Ghulam Mustafa, more

IUBMB Life > 71 > 11 > 1701 - 1710

Secreted frizzled‐related protein 4 (SFRP4) is a member of secreted protein family with sequence similarity to frizzled receptors of wingless‐related integration site (Wnt) signaling pathways. These proteins control diverse functions from embryonic development to adults in many organisms including humans. Initially, SFRPs were recognized as antagonists of Wnt signaling and supposed to interact with...

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INFONA - science communication portal

Search results for: Muhammad Asif

Timing of surgery following SARS‐CoV‐2 infection: an international prospective cohort study

VE1 immunohistochemistry is an adjunct tool for detection of BRAF^V600E mutation: Validation in thyroid cancer patients

ARFC: Advance response function of TCP CUBIC for IoT‐based applications using big data

Impact analysis of adverbs for sentiment classification on Twitter product reviews

Hybrid approach for big data localization and semantic annotation

Soil sodicity is more detrimental than salinity for quinoa (Chenopodium quinoa Willd.): A multivariate comparison of physiological, biochemical and nutritional quality attributes

Drug investigation tool: Identifying the effect of drug on cell image by using improved correlation

Deoxygenation of Bio‐oil from Calcium‐Rich Paper‐Mill Waste

Simultaneous determination of acetamiprid and 6‐chloronicotinic acid in environmental samples by using ion chromatography hyphenated to online photoinduced fluorescence detector

Integrated Catalyst of CuZnAl‐Zr and Nb‐HZSM‐5 for One‐Step Synthesis of Aromatics from Syngas

A Haar wavelet collocation approach for solving one and two‐dimensional second‐order linear and nonlinear hyperbolic telegraph equations

Impact of CSR and environmental triggers on employee green behavior: The mediating effect of employee well‐being

A Bibliometric Review of the Special Issues of Psychology & Marketing: 1984‐2020

Image velocimetry and statistical analysis of a mesh-coupled axial blade distributor for mass transfer in a swirling bed

Analysis and design of a stacked power amplifier with 196% fractional bandwidth using equivalent circuit model

Physical deployment of enhanced visible light communication system using forward error correction codes

The Role of China’s Exchange Rate on the Trade Balance of Sub‑Saharan Africa: a Gravity Model Approach

Differential evolution based computation intelligence solver for elliptic partial differential equations

Supplemental potassium mediates antioxidant metabolism, physiological processes, and osmoregulation to confer salt stress tolerance in cabbage (Brassica oleracea L.)

Secreted frizzled‐related protein 4 and its implication in obesity and type‐2 diabetes

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